Question: The state personnel bureau wants to know whether people resign

The state personnel bureau wants to know whether people resign if they are not promoted during the year. Bureau researchers take a sample of 30 people who were promoted and find that 6 of them resigned; a sample of 45 people who were not promoted includes 15 who resigned. State a hypothesis and a null hypothesis, and test them. State your conclusion in plain English.


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  • CreatedNovember 11, 2015
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